00001 package edu.ksu.cis.bandera.bir; 00002 00003 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 00004 * Bandera, a Java(TM) analysis and transformation toolkit * 00005 * Copyright (C) 1998, 1999 James Corbett (corbett@hawaii.edu) * 00006 * All rights reserved. * 00007 * * 00008 * This work was done as a project in the SAnToS Laboratory, * 00009 * Department of Computing and Information Sciences, Kansas State * 00010 * University, USA (http://www.cis.ksu.edu/santos). * 00011 * It is understood that any modification not identified as such is * 00012 * not covered by the preceding statement. * 00013 * * 00014 * This work is free software; you can redistribute it and/or * 00015 * modify it under the terms of the GNU Library General Public * 00016 * License as published by the Free Software Foundation; either * 00017 * version 2 of the License, or (at your option) any later version. * 00018 * * 00019 * This work is distributed in the hope that it will be useful, * 00020 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00021 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00022 * Library General Public License for more details. * 00023 * * 00024 * You should have received a copy of the GNU Library General Public * 00025 * License along with this toolkit; if not, write to the * 00026 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * 00027 * Boston, MA 02111-1307, USA. * 00028 * * 00029 * Java is a trademark of Sun Microsystems, Inc. * 00030 * * 00031 * To submit a bug report, send a comment, or get the latest news on * 00032 * this project and other SAnToS projects, please visit the web-site * 00033 * http://www.cis.ksu.edu/santos * 00034 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ 00035 import ca.mcgill.sable.util.*; 00036 00037 /** 00038 * A defined integer or enumerated type constant. 00039 * <p> 00040 * Note that this is different from an IntLit since a Constant has a name 00041 * (and is printed as such). 00042 */ 00043 00044 public class Constant implements ConstExpr, Definition { 00045 00046 String name; 00047 int value; 00048 Type type; 00049 00050 public Constant(String name, int value, Type type) { 00051 this.name = name; 00052 this.value = value; 00053 this.type = type; 00054 } 00055 public void apply(Switch sw) 00056 { 00057 ((ExprSwitch) sw).caseConstant(this); 00058 } 00059 public boolean equals(Object o) { 00060 return (o instanceof Constant) && ((Constant)o).name.equals(this.name) 00061 && ((Constant)o).value == this.value; 00062 } 00063 public Object getDef() { return new Integer(value); } 00064 public String getName() { return name; } 00065 public Type getType() { return type; } 00066 public int getValue() { return value; } 00067 public void print() { 00068 System.out.print(name); 00069 } 00070 public String toString() { 00071 return name; 00072 } 00073 }